arm64: dts: imx8mp-phycore-som: Update regulator output voltages

Set the regulator voltages to the min and max values the i.MX8MP
requires and not what the PMIC provides.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi

@@ -99,8 +99,8 @@ regulators {
 			buck1: BUCK1 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <2187500>;
-				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-min-microvolt = <805000>;
 				regulator-name = "VDD_SOC (BUCK1)";
 				regulator-ramp-delay = <3125>;
 			};
@@ -110,8 +110,8 @@ buck2: BUCK2 {
 				nxp,dvs-standby-voltage = <850000>;
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <2187500>;
-				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1050000>;
+				regulator-min-microvolt = <805000>;
 				regulator-name = "VDD_ARM (BUCK2)";
 				regulator-ramp-delay = <3125>;
 			};
@@ -119,40 +119,40 @@ buck2: BUCK2 {
 			buck4: BUCK4 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <3400000>;
-				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-min-microvolt = <3300000>;
 				regulator-name = "VDD_3V3 (BUCK4)";
 			};
 
 			buck5: BUCK5 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <3400000>;
-				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-min-microvolt = <1800000>;
 				regulator-name = "VDD_1V8 (BUCK5)";
 			};
 
 			buck6: BUCK6 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <3400000>;
-				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1155000>;
+				regulator-min-microvolt = <1045000>;
 				regulator-name = "NVCC_DRAM_1V1 (BUCK6)";
 			};
 
 			ldo1: LDO1 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <3300000>;
-				regulator-min-microvolt = <1600000>;
+				regulator-max-microvolt = <1950000>;
+				regulator-min-microvolt = <1710000>;
 				regulator-name = "NVCC_SNVS_1V8 (LDO1)";
 			};
 
 			ldo3: LDO3 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-max-microvolt = <3300000>;
-				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-min-microvolt = <1800000>;
 				regulator-name = "VDDA_1V8 (LDO3)";
 			};